Leslie, AR has a population of 519 and is the 19,303rd largest city in the United States. The population density is 705 per sq mi which is 1171% higher than the Arkansas average and 678% higher than the national average. The median age in Leslie is 40 which is approximately 6% higher than the Arkansas average of 38. In Leslie, 46% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 58% of Leslie residents were born in Arkansas, 41% were born out of state, 1% were born outside of the United States and 1% were foreign born.